ibase_free_event_handler()

(PHP 5, PHP 7)

Cancels a registered event handler

说明

ibase_free_event_handler(resource $event): bool

This function causes the registered event handler specified by$eventto be cancelled. The callback function will no longer be called for the events it was registered to handle.

参数

$event

An event resource, created by ibase_set_event_handler().

返回值

成功时返回TRUE，或者在失败时返回FALSE。

参见

• ibase_set_event_handler()Register a callback function to be called when events are posted